The 8th Theater Sustainment Command, as the senior Army logistics command in the United States Pacific Command's Area of Responsibility, provides command and control of all assigned and attached and units under its operational control ; trains, equips and tailors forces, as required; plans and generates expeditionary combat support/combat service support capability; and provides timely and robust support of joint and combined forces across the full spectrum of military operations in order to maintain peace and stability, deter aggression, and fight and win in the Pacific AOR. Wikipedia